January weather forecast
South Pass City, WY

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Weather in January

January, the same as December, in South Pass City, Wyoming, is another subzero cold winter month, with an average temperature ranging between min 13.5°F (-10.3°C) and max 29.7°F (-1.3°C).

Temperature

The commencement of January notes an average high-temperature of a still freezing cold 29.7°F (-1.3°C), exhibiting little difference from the previous month. South Pass City, during the nights of January, experiences an average temperature drop to a frigid cold 13.5°F (-10.3°C).

Humidity

In January, the average relative humidity is 77%.

Rainfall

The month with the least rainfall in South Pass City is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In South Pass City, in January, snow falls for 8.4 days, with typically accumulated 3.03" (77mm) of snow. Throughout the year, there are 56.8 snowfall days, and 40.94" (1040mm) of snow is accumulated.

Daylight

In South Pass City, the average length of the day in January is 9h and 29min.
On the first day of January, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:27 pm MST.

Sunshine

The average sunshine in January is 6.9h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

How cold is it in January?

In January, the average high-temperature and low-temperature are 29.7°F (-1.3°C) and 13.5°F (-10.3°C) respectively.

What is the average humidity in January in South Pass City?

In January, the average relative humidity in South Pass City is 77%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in South Pass City in January?

In South Pass City, Wyoming, during January, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many days does it snow in January?

In South Pass City, in January, during 8.4 snowfall days, 3.03" (77mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 29min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:27 pm MST.

How many hours of sunshine does South Pass City have in January?

The average sunshine duration in January is 6.9h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.

How high is the UV index in January?

In South Pass City, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Pass City, WY

Average temperature in January - South Pass City, WY
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

Average pressure in January
South Pass City, WY

Average pressure in January - South Pass City, WY
  • Average pressure in January: 30.23"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
South Pass City, WY

Average wind speed in January - South Pass City, WY
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in January
South Pass City, WY

Average humidity in January - South Pass City, WY
  • Average humidity in January: 77%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).

Average rainfall in January
South Pass City, WY

Average rainfall in January - South Pass City, WY
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in January
South Pass City, WY

Average rainfall days in January - South Pass City, WY
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).

Average snowfall in January
South Pass City, WY

Average snowfall in January - South Pass City, WY
  • Average snowfall in January: 3.03"

The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
South Pass City, WY

Average snowfall days in January - South Pass City, WY
  • Average snowfall days in January: 8.4 days

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
South Pass City, WY

Average daylight in January / Average sunshine in January - South Pass City, WY
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 6h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in January
South Pass City, WY

Average sunshine days in January - South Pass City, WY
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is September (22 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in January
South Pass City, WY

Average UV index in January - South Pass City, WY
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in January
South Pass City, WY

Average cloud cover in January - South Pass City, WY
  • Average cloud cover in January: 23

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in January
South Pass City, WY

Average visibility in January - South Pass City, WY
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

South Pass City, Wyoming, USA

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